Bernese Mountain Dog Size & Weight Chart: How Big Do They Get?
Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.
Quick answer: A full-grown Bernese Mountain Dog typically weighs 80-115 lb (36-52 kg) and stands 23-27.5 in (58-70 cm) tall at the shoulder; males usually weigh 80-115 lb (36-52 kg) and females 70-95 lb (32-43 kg). Most reach their adult size by around 18-24 months.
Photo: FriendlyToaster · CC BY 4.0 · via Wikimedia Commons
Bernese Mountain Dogs are a large, striking tricolor breed originally developed as farm dogs in the Swiss Alps. They are gentle and affectionate with family but have a notably short lifespan for their size.
| Size category | Giant |
|---|---|
| Typical adult weight | 80-115 lb (36-52 kg) |
| Height at the shoulder | 23-27.5 in (58-70 cm) |
| Full grown by | 18-24 months |
| Life expectancy | 7-10 years |
Male vs female Bernese Mountain Dog size
| Weight | Height | |
|---|---|---|
| Male | 80-115 lb (36-52 kg) | 25-27.5 in (64-70 cm) |
| Female | 70-95 lb (32-43 kg) | 23-26 in (58-66 cm) |
Per the AKC breed standard. Individual dogs can sit outside these ranges and still be perfectly healthy — body condition matters more than hitting a number.
Bernese Mountain Dog weight chart by age (lb & kg)
Estimated weights for an average Bernese Mountain Dog puppy, based on the typical growth curve for a giant breed. Males usually track toward the top of each figure, females toward the bottom.
| Age | Weight (lb) | Weight (kg) |
|---|---|---|
| 2 months | ~15 lb | ~6.8 kg |
| 3 months | ~26 lb | ~12 kg |
| 4 months | ~37 lb | ~17 kg |
| 5 months | ~49 lb | ~22 kg |
| 6 months | ~60 lb | ~27 kg |
| 9 months | ~78 lb | ~35 kg |
| 12 months | ~88 lb | ~40 kg |
| 18-24 months (full grown) | 80-115 lb | 36-52 kg |
When does a Bernese Mountain Dog stop growing?
As a giant breed, Bernese Mountain Dogs typically reach adult weight by 18-24 months. Height usually levels off first — a Bernese Mountain Dog can look full height at 9-12 months but keep adding chest depth and muscle for months afterward.
Use the Puppy Weight Predictor below — it's pre-loaded with the Bernese Mountain Dog's growth curve, so just enter your puppy's current weight and age.
Predict your Bernese Mountain Dog's adult weight
Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.
Open the Puppy Weight PredictorHow much does it cost to feed a Bernese Mountain Dog?
A typical adult Bernese Mountain Dog (98 lb, average activity) needs roughly 1921 kcal/day — about 1.1 lb (4.5 cups) of dry kibble per day, which works out to around $68/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $768/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Bernese Mountain Dog feeding chart for puppy amounts by month.
Estimate Bernese Mountain Dog food costs
Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.
Open the Dog Food Cost CalculatorBrowse dog food sized for a Bernese Mountain Dog
Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.
Browse dog food on Amazon(affiliate link)How old is my Bernese Mountain Dog in human years?
The old "×7" rule doesn't hold up — giant breeds like the Bernese Mountain Dog age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.
Convert your Bernese Mountain Dog's age
Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.
Open the Bernese Mountain Dog Age CalculatorCommon health considerations
- Cancer rates, including malignant histiocytosis, are unusually high in this breed and a leading cause of early death.
- Hip and elbow dysplasia are common; health-tested breeding lines matter a lot for this breed.
- Bloat is a risk given their large, deep-chested build.
This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.
Is pet insurance worth it for a Bernese Mountain Dog?
See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.
Bernese Mountain Dog insurance costEstimate what coverage would cost for your dog
Premiums swing widely by breed, age, and location. Our calculator gives you a realistic range in about a minute — no email, no sign-up.
Open the pet insurance calculatorJoint supplements can help support a growing Bernese Mountain Dog
Larger breeds carry more weight on developing joints. Many owners start a glucosamine/chondroitin or omega-3 supplement during the growth phase rather than waiting for stiffness to appear.
Browse joint supplements on Amazon(affiliate link)Similar breeds
Based on energy level, living-space fit, and care needs, these breeds are closest to the Bernese Mountain Dog:
Take our breed match quiz
Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Bernese Mountain Dog — actually fit best.
Take the Breed Match QuizFrequently asked questions
How much does a full-grown Bernese Mountain Dog weigh?
A full-grown Bernese Mountain Dog typically weighs 80-115 lb (36-52 kg), making it a giant breed. Males usually weigh 80-115 lb (36-52 kg) and females 70-95 lb (32-43 kg). Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.
How tall is a full-grown Bernese Mountain Dog?
A full-grown Bernese Mountain Dog stands 23-27.5 in (58-70 cm) tall, measured at the shoulder (withers). Males are typically 25-27.5 in (64-70 cm) and females 23-26 in (58-66 cm).
When does a Bernese Mountain Dog stop growing?
As a giant breed, Bernese Mountain Dogs typically reach adult weight by 18-24 months. Height typically levels off a bit before this; larger breeds like this one keep adding muscle and body mass for months after they stop getting taller.
Is a Bernese Mountain Dog a good first dog?
It can work for a first-time owner who does their homework, but the Bernese Mountain Dog isn't the automatic beginner-friendly pick either — read the exercise and grooming sections above before deciding.
How much exercise does a Bernese Mountain Dog need?
A moderate, manageable amount — roughly 30-45 minutes a day covers most Bernese Mountain Dogs, split across a couple of walks or a walk plus playtime.
Is a Bernese Mountain Dog good with kids?
Yes, the Bernese Mountain Dog is one of the more reliably kid-friendly breeds, generally patient and sturdy enough for boisterous play. Always supervise young kids with any dog regardless of breed reputation.
How much grooming does a Bernese Mountain Dog need?
Fairly involved. Regular brushing (several times a week) and periodic trims or professional grooming will keep a Bernese Mountain Dog looking and feeling its best.